Patents by Inventor Noriko SHII

Noriko SHII has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • GAS DETECTION DEVICE, AND AIR-FUEL RATIO CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE INCORPORATING THE SAME
    Publication number: 20070012565
    Abstract: A gas detection device includes a gas sensing portion, a heater, and an insulating layer provided between the gas sensing portion and the heater. The gas detection device further includes a control section and a portion of an engine control device for controlling operations of the gas sensing portion and the heater, the control section ensuring that timing of changing a current supplied to the heater is synchronized with a detection operation by the gas sensing portion. The gas detection device prevents detection errors of a gas sensor even when noise associated with temperature control of a heater occurs.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 18, 2007
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Toshio SUZUKI, Noriko SHII, Kenji SETO